body{
    width: 90%;
    max-width: 900px;
    margin: 0 auto;
}
.box{
    /* float: right; */
    margin: 10px;
    width: 150px;
    height: 100px;
    padding: 1em;
    border: 1px solid red;
    border-radius: 8px;
    overflow: hidden;
    overflow: auto;
}
.cl{
    /* float: left; */
    clear: left;
    clear: both;
}

p{
    width: 30%;
    background: darkblue;
    color: aliceblue;
    float: left;
    border: 1px solid red;
    margin-right: 2%;
}
.content::after{
    content: "";
    display: block;
    clear: both;
}